- quantitative scheme — where the objective is to quantify one or more measurands of the proficiency test item.
- qualitative scheme — where the objective is to identify or describe one or more characteristics of the proficiency test item.
- sequential scheme — where one or more proficiency test items are distributed sequentially for testing or measurement and returned to
the proficiency testing provider at intervals; - simultaneous scheme — where proficiency test items are distributed for concurrent testing or measurement within a defined time period;
- single occasion exercise — where proficiency test items are provided on a single occasion;
- continuous scheme — where proficiency test items are provided at regular intervals;
- sampling — where samples are taken for subsequent analysis; and data transformation and interpretation — where sets of data or other information are furnished
and the information is processed to provide an interpretation (or other outcome).
What are the types of PT Schemes?
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